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  Microsemi Electronic Components Datasheet  

CD4772 Datasheet

MONOLITHIC TEMPERATURE COMPENSATED ZENER REFERENCE CHIPS

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• MONOLITHIC TEMPERATURE COMPENSATED ZENER REFERENCE CHIPS
• ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
• 8.5 & 9.1 VOLT NOMINAL ZENER VOLTAGE +5%
• ELECTRICALLY EQUIVALENT TO 1N4765 THRU 1N4772A AND
1N4775 THRU 1N4782A SERIES
• COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES,
WITH THE EXCEPTION OF SOLDER REFLOW
CD4765 thru CD4767A
and
CD4770 thru CD4772A
and
CD4775 thru CD4777A
and
CD4780 thru CD4782A
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise speci½ed.
TYPE
NUMBER
CD4765
CD4765A
CD4766
CD4766A
CD4767
CD4767A
CD4770
CD4770A
CD4771
CD4771A
CD4772
CD4772A
CD4775
CD4775A
CD4776
CD4776A
CD4777
CD4777A
CD4780
CD4780A
CD4781
CD4781A
CD4782
CD4782A
ZENER
VOLTAGE
vz @ I ZT
(Note 3)
VOLTS
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
ZENER
TEST
CURRENT
I ZT
mA
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
MAXIMUM
MAXIMUM VOLTAGE
ZENER TEMPERATURE
IMPEDANCE
ZZT
STABILITY
³V ZT
MAXIMUM
TEMPERATURE EFFECTIVE
RANGE
TEMPERATURE
COEFFICIENT
(Note 1)
(Note 2)
OHMS
mV
°C % / °C
350
68 0 to + 75
0.01
350
141 -55 to + 100
0.01
350 34 0 to + 75 0.005
350
70 -55 to + 100
0.005
350 14 0 to + 75 0.002
350
28 -55 to + 100
0.002
200
68 0 to + 75
0.01
200
141 -55 to + 100
0.01
200 34 0 to + 75 0.005
200
70 -55 to + 100
0.005
200 14 0 to + 75 0.002
200
28 -55 to + 100
0.002
350
64 0 to + 75
0.01
350
132 -55 to + 100
0.01
350 32 0 to + 75 0.005
350
66 -55 to + 100
0.005
350 13 0 to + 75 0.002
350
26 -55 to + 100
0.002
200
64 0 to + 75
0.01
200
132 -55 to + 100
0.01
200 32 0 to + 75 0.005
200
66 -55 to + 100
0.005
200 13 0 to + 75 0.002
200
26 -55 to + 100
0.002
NOTE 1
NOTE 2
NOTE 3
Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current
equal to 10% of lZT.
The maximum allowable change observed over the entire temperature range i.e.,
the diode voltage will not exceed the speci½ed mV at any discrete temperature
between the established limits, per JEDEC standard No.5.
Zener voltage range is +5%
38
23
FIGURE 1
DESIGN DATA
METALLIZATION:
Top: C (Cathode)...................Al
A (Anode)............. .........Al
Back: ......................................Au
AL THICKNESS............25,000 Å Min
GOLD THICKNESS... .....4,000 Å Min
CHIP THICKNESS............. .....10 Mils
CIRCUIT LAYOUT DATA:
Backside must be electrically
isolated.
Backside is not cathode.
For Zener operation cathode
must be operated positive
with respect to anode.
TOLERANCES: ALL
Dimensions + 2 mils
6 L A K E S T R E E T , L A W R E N C E , M A S S A C H U S E T T S 01841
PHONE (978) 620-2600
FAX (978) 689-0803
WEBSITE: http://www.microsemi.com
201


  Microsemi Electronic Components Datasheet  

CD4772 Datasheet

MONOLITHIC TEMPERATURE COMPENSATED ZENER REFERENCE CHIPS

No Preview Available !

CD4765 thru CD4767A thru CD4770 thru CD4772A and
CD4775 thru CD4777A and CD4780 thru CD4782A
1000
500
100
50
202
10
1 23
OPERATING CURRENT lZT (mA)
FIGURE 2
ZENER IMPEDANCE
VS.
OPERATING CURRENT
+.0015
+.0010
+.0005
0
-.0005
-.0010
-.0015
0.5 1.0 1.5 2.0
OPERATING CURRENT lZT (mA)
FIGURE 3
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT
WITH CHANGE IN OPERATING CURRENT


Part Number CD4772
Description MONOLITHIC TEMPERATURE COMPENSATED ZENER REFERENCE CHIPS
Maker Microsemi
Total Page 2 Pages
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